Rust Developer

Job Title: Lead Backend Engineer

Company: DoubleTick.io (Conversational CRM powered by Meta WhatsApp's API)

Location: Mumbai (on-site)

About the Role

We're looking for a hands-on QA leader to own quality across our products. You'll set the QA strategy, build and scale our automation and testing infrastructure, and lead a growing team — while staying close enough to the work to dig into a tricky bug yourself. This is a high-ownership role for someone who wants to define how quality is done, not just execute test cases.

Key Responsibilities

• Lead and mentor a team of 5-6 backend engineers, ensuring high-quality code delivery, adherence to best practices, and timely project completion.
• Hands-on development using TypeScript, Node.Js, and NestJs to build robust and scalable backend systems.
• Proficient in managing databases PostgreSQL and MongoDB. Implement efficient data storage and retrieval strategies.
• Expertise in Elasticsearch
• Work with Neptune and Gremlin to handle complex data structures and relationships.
• Conduct code reviews, enforce coding standards, and maintain high-quality software.
• Work closely with frontend teams, designers, and product managers to ensure seamless integration and alignment with business goals.
• Plan, track, and report on project progress. Manage resources effectively to meet deadlines.

Required Skills and Qualifications

• Bachelor’s degree in Computer Science or related field.
• Minimum 5 years of experience in backend development.
• Strong proficiency in Node.Js, PostgreSQL and JavaScript
• Strong experience in architecture and database design.
• Proven experience leading a team of engineers.
• Excellent problem-solving skills and attention to detail.
• Proven experience in scaling backend.
• Strong communication and collaboration skills.
• Experience in a fast-paced, agile environment.
• Prior experience in a similar lead role.

Good to have

• Experience with Gremlin, Neptune, MongoDB, Elasticsearch, TypeScript, and BigQuery
• Familiarity with AWS and its cloud-based services

What We Offer

• Competitive salary and benefits package.
• A dynamic and inclusive work environment.
• Opportunities for professional growth and development.
• A chance to work on cutting-edge technologies.

About Us:

DoubleTick is a mobile-first conversational CRM built on the official WhatsApp Business API, designed to unlock WhatsApp-led sales, marketing, and customer engagement at scale.It enables businesses to manage conversations through a centralized team inbox, automate workflows with chatbots and bot studio, and drive growth via bulk broadcasting and analytics. With features like WhatsApp Calling, commerce & cataloging, and role-based access, DoubleTick helps teams streamline operations and improve conversion efficiency.

Backed by Info Edge Ventures and BeeNext, the platform serves 10,000+ businesses across India and UAE in 100+ industries. Leading brands such as MakeMyTrip, Royal Enfield, CoinDCX, Tarun Tahiliani, Times Media, GRT Jewellers, Malabar Gold and Diamonds, Jaro Education, Sabyasachi, and DarGlobal trust DoubleTick to power their customer conversations. 

Job Description – Backend Python Developer(Mid-Level) 

📍 Location: Mumbai/Gurgaon |  Full-time

Backend Python Developer

Role Overview

We are seeking a skilled Backend Python Developer to design, develop, and maintain backend services, APIs, and integrations that power our AI-driven automation solutions.

You will collaborate closely with senior engineers, AI/ML teams, and frontend developers to build scalable, high-performance systems. This role is ideal for professionals with solid backend experience who are eager to deepen their expertise in Python, cloud technologies, and AI-based applications.

Key Responsibilities

• Develop and maintain backend APIs, services, and system integrations using Python
• Collaborate on system design and architecture discussions with senior engineers
• Write clean, scalable, and well-documented code following best practices
• Ensure performance, scalability, and reliability in cloud environments
• Design and manage SQL/NoSQL databases for structured and unstructured data
• Support integration of AI/ML models into production workflows
• Participate in code reviews, unit testing, and debugging
• Contribute to CI/CD pipelines, containerization, and DevOps processes

Required Skills & Qualifications

• 3–5 years of experience in backend development
• Strong proficiency in Python
• Hands-on experience with frameworks such as FastAPI, Flask, or Django
• Experience building and consuming REST APIs (GraphQL is a plus)
• Strong database knowledge: PostgreSQL, MySQL, MongoDB, or Redis
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• Hands-on experience with Docker and Kubernetes
• Strong understanding of OOP, data structures, algorithms, and design patterns

Preferred Skills

• Exposure to AI/ML workflows or a strong interest in learning
• Experience with message brokers such as Kafka, RabbitMQ, or Celery
• Knowledge of asynchronous programming (asyncio, Celery, etc.)
• Experience with unit testing frameworks (PyTest, unittest)
• Understanding of API security and authentication (OAuth2, JWT)

What We Offer

• Competitive compensation with growth opportunities
• Opportunity to work on AI-first automation products used globally
• Mentorship from experienced senior engineers
• Flexible work environment
• Continuous learning support in Python, Cloud, and AI/Automation technologies

About KAFQA

At Kafqa, we are building the next generation performing arts platform. Our mission is to transform how India learns, performs & watchers performing arts. We are currently in stealth mode with a target public launch date in April. Our launch services consist of technology enabled dance classes in our proprietary studios, production facilities and social media broadcasting & competitions.

Founder & Team

The founder is Shariq Plasticwala. He is a graduate of IIT Bombay & Stanford GSB. He was part of the founding team of Amazon India where he played a key role for over 8 years. Among his roles at Amazon, he was the CEO of Amazon’s first joint venture in India and a Board Member of Amazon’s payments business. The other members of the founding team consist of senior executives from Shiamak Davar & Byju’s.

Background

• At least 1+ years’ experience in back-end development in a fast-paced environment, working in Python & Django Framework
• Deep understanding of technologies used in web-deployed SaaS products, including Rest APIs
• Exposure to AWS, Azure or other cloud providers

Opportunity

We will share our workload as a team and we expect you to work on a broad range of tasks. Here’s are some of the things you might have to do on any given day:

• Developing APIs and endpoints for deployments of our product
• Infrastructure Development such as building databases, creating and maintaining automated jobs
• Build out the back-end to deploy and scale our product
• Build POCs for client deployments
• Document your code, write test cases, etc.

Skills

• Hands-on experience with Python (1+ years)
• Sound understanding of Postgres and NoSQL databases such as MongoDB
• Deep familiarity with UNIX, major cloud platforms (AWS, Azure), DevOps
• Understanding of databases, and related tools, paradigms

ABOUT US.

Established in 2009, Ashnik is a leading open-source solutions and consulting company in South East Asia and India, headquartered in Singapore. We enable digital transformation for large enterprises through our design, architecting, and solution skills. Over 100 large enterprises in the region have acknowledged our expertise in delivering solutions using key open-source technologies. Our offerings form critical part of Digital transformation, Big Data platform, Cloud and Web acceleration and IT modernization. We represent EDB, Pentaho, Docker, Couchbase, MongoDB, Elastic, NGINX, Sysdig, Redis Labs, Confluent, and HashiCorp as their key partners in the region. Our team members bring decades of experience in delivering confidence to enterprises in adopting open source software and are known for their thought leadership.

As a team culture, Ashnik is a family for its team members. Each member brings in different perspective, new ideas and diverse background. Yet we all together strive for one goal – to deliver best solutions to our customers using open source software. We passionately believe in the power of collaboration. Through an open platform of idea exchange, we create vibrant environment for growth and excellence.

THE POSITION

Ashnik is looking for talented and passionate people to be part of the team for an upcoming project at client location.

QUALIFICATION AND EXPERIENCE

• Preferably have a working experience of 4 Years and more , on production PostgreSQL DBs.
• Experience of working in a production support environment
• Engineering or Equivalent degree
• Passion for open-source technologies is desired

ADDITIONAL SKILLS

• Install & Configure PostgreSQL, Enterprise DB
• Technical capabilities PostgreSQL 9.x, 10.x, 11.x
• Server tuning
• Troubleshooting of Database issues
• Linux Shell Scripting
• Install, Configure and maintain Fail Over mechanism
• Backup - Restoration, Point in time database recovery
• A demonstrable ability to articulate and sell the benefits of modern platforms, software and technologies.
• A real passion for being curious and a continuous learner. You are someone that invests in yourself as much as you invest in your professional relationships.

RESPONSIBILITIES

• Monitoring database performance
• Optimizing Queries and handle escalations
• Analyse and assess the impact and risk of low to medium risk changes on high profile production databases
• Implement security features
• DR implementation and switch over

LOCATION: Bangalore

Experience: 4 yrs plus

Package: upto 12 LPA

• Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.  
•  
• Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.  
• To know more visit https://elocitytech.com/" target="_blank">https://elocitytech.com/ 

• Responsibilities:  
• Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.  
• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.  
• Create low-level design of modules of a software application through proper documentation and diagrams.  
• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data and processes and following established software development practices and processes.  
• Develops proof of concepts for technical evaluation and early customer feedback  
• Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications  
• Networks with internal and external personnel in own area of expertise.  

• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.  
• Experience in Debugging/troubleshooting TypeScript code.  
• Experience in API development (REST/GraphQL etc)  
• Experience in development of Web and Mobile(android/iOS) applications  
• Exposure of Parallel and Asynchronous programming  
• Experience in writing Unit tests (Jest or any similar framework)  
• Should be proficient in relational Database concepts (Postgres etc.)  
• Knowledge of Non-relational Databases would be a plus.  
• Good Understanding of Object-Oriented Programming Concepts.  
• Good Understanding of Design Patterns.  
• Good command of Data structures, Algorithms and Complexity.  
• Good at problem solving and analytical skills.  
• Experience with Source Code Versioning systems (Git etc)  
• Understanding of Micro services Architecture would be a plus has context menu

• Deliver features in an end-to-end manner: technical design, development, testing, deployment, and maintenance.
• Provide technical leadership and own specific areas of the platform.
• Work closely with Product Managers to translate product requirements to engineering specifications.
• Lead code review efforts and quality efforts in your area of ownership.
• Participate in product discussions, taking ownership and initiative.
• Work independently in a fast-paced environment.
• Mentored and guide junior engineers.

Must Haves:

• Minimum 2 years of working experience in Ruby on Rails/ Python/ Node.JS.
• Strong problem-solving skills, data structures, and algorithms.
• Excellent experience on databases like MySQL, PostgreSQL, etc.
• Familiarity with tools for code reviews, version control (GIT).
• A knack for writing clean, readable Ruby/ Python/Node.JS code.
• Experience in application server hosting and monitoring.
• Understanding of fundamental design principles behind a scalable application.

Nice to Have:

• Hands-on with search platforms (Solr, Elasticsearch, etc).
• Prior experience with microservices-based architecture/SOA/distributed systems.
• Able to implement automated testing platforms and unit tests.
• Experience with common AWS service EC2, RDS, S3, SES, etc.

Key Competencies:

• Building Effective Team
• Solving Problems Creatively
• Learning Agility
• Drive For Result

Postgress developer cum database architect

5-7 years experience

Knowledge and experience, specifically PostGre

-           SQL

-           Query Optimization / Optimization strategies (in PostGre)

-           AWS - RDS Relational Databse Service

-           Optional: AWS – RDS API / PostGre API

We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.

You will be a part of Wow Labz’s core development team, building new software and defining standards for our very own blockchain product. You will be involved in defining technical specifications, implementing design patterns and hands-on development. You will be writing modules that all the other developers would use, including libraries, APIs, database/ storage connections and third party integrations. Your diligence and patience to build highly-secured, scalable and high-performance solutions will be most valued.

• Understanding Rust design patterns and writing performant and maintainable code in the language
• Solving development challenges and making architectural decisions by understanding the larger picture of the project’s goals.
• Expanding your existing skill-set, and picking up on various rust dependent frameworks.
• Writing code that other developers use, including libraries, APIs and configurations.
• Building secure and high-performance networked applications.
• Paying close attention to unit-testing and security.
• Confidently communicating and collaborating with your fellow developers in a remote team environment.

• 1-2 year of core Rust development experience
• 2 or more years of software development experience
• Strong understanding of macros, traits, generics and lifetimes
• Experience with Cargo, including dependency management
• Experience with frameworks like HyperWeb, Mio, Tokio, Rocket and Actix (at least two)
• Experience using the Git Version Control System (VCS)
• Experience with CI tools like Rustfmt, Clippy or Rustfix
• Experience writing Unit Tests using Rustfmt or similar 
• Exposure to performance benchmarking
• Exposure to serverless products like AWS Lambda, Azure Functions, Cloudflare Workers 
• Motivated by challenging projects, and you absolutely love developing with Rust.
• Developed multi-threaded software and understand the asynchronous functionalities.

• Experience with blockchain and/or Substrate is a plus
• Experience in Mongodb, MySQL, or Javascript is a plus
• Experience with cloud platforms like AWS/ Azure/GCP is a plus
• Software architecture and API design knowledge is a plus

• Curious and aware of the latest digital and social media trends
• Extremely self-driven and able to execute in a diligent manner
• Strong relationship-building skills
• Exceptional analytical reasoning, problem-solving, and creative thinking skills
• Team player that thrives in a collaborative environment
• You can work cross-functionally and collaborative on common goals
• Fluent in English, written and spoken
• Capacity to foster a healthy, stimulating work environment that frequently harnesses teamwork